Liane is a female given name and may refer to one of the following:
- Liane Augustin, German/Austrian actress and singer often associated with the Boheme Bar Trio
- Liane Bahler, German professional racing cyclist
- Liane Balaban, Canadian actress
- Liane Berkowitz, member of the German resistance movement during World War II
- Liane Bonin, American journalist, author and radio producer
- Liane Carroll, English pianist/vocalist
- Liane Cartman, fictional character from the television series South Park
- Liane Gabora, Professor of Psychology at the University of British Columbia Okanagan
- Liane Haid, Austrian actress
- Liane Hansen, American National Public Radio host
- Liane Holliday Willey, popular keynote speaker and American author
- Liane Michaelis, former East German handball player
- Liane de Pougy, Folies Bergères dancer
- Liane Tooth, retired Australian field hockey forward
- Liane the Wayfarer, a character in the Dying Earth series by Jack Vance
Liane can also be a surname:
- Eigil Olaf Liane, Norwegian politician and member of the Labour Party
Liane as the name of a geographic feature:
- The Liane, a river in northern France